CAN Bus wiring diagram sheet 3 of 4 showing relay modules, control units, and signal routing for smart 450/451/452/454 chassis.

CAN Bus wiring schematic with multiple control modules, relays, and interconnected signal lines.

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See all Electrical figures for the Fortwo (450), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.